#355FC1#355FC1

#355FC1 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.161 H 264.1°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#355FC1
RGB	rgb(53, 95, 193)
HSL	hsl(222, 57%, 48%)
HSV	hsv(222, 73%, 76%)
CMYK	cmyk(72.5%, 50.8%, 0%, 24.3%)
CIE-LAB	lab(42.45, 19.38, -55.67)
CIE-LCH	lch(42.45, 58.95, 289.19°)
OKLab	oklab(51.06% -0.0166 -0.16)
OKLCH	oklch(51.06% 0.161 264.1)
XYZ	xyz(15.1826, 12.7899, 52.1103)
Luminance	0.1279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FC1 #C19735

analogous

#35A5C1 #355FC1 #5135C1

triadic

#355FC1 #C1355F #5FC135

tetradic

#355FC1 #C135A5 #C19735 #35C151

square

#355FC1 #C135A5 #C19735 #35C151

split-complementary

#355FC1 #C15135 #A5C135

monochromatic

#1B3061 #284791 #355FC1 #6083D3 #90A8E0

Accessibility & contrast

On white

5.90

#355FC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#355FC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FC1

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FC1	#FFFFFF	#000000	##FFFFFF
##355FC1	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#236BC5

Deuteranopia (green-blind)

#005EBF

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #355fc1;
/* rgb */ color: rgb(53, 95, 193);
/* oklch */ color: oklch(51.1% 0.161 264.1);

Tailwind

colors: {
  custom: {
    50: '#7e8bd4',
    500: '#355fc1',
    950: '#000000',
  },
}

SCSS

$custom: #355fc1;
$custom-light: #7e8bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#355fc1",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 193
  },
  "hsl": {
    "h": 222,
    "s": 56.911,
    "l": 48.235
  },
  "oklch": {
    "l": 0.51061,
    "c": 0.16089,
    "h": 264.1
  },
  "luminance": 0.12792
}

Semantic roles & 50–950 ramp

primary

#355FC1

secondary

#CBB787

accent

#B248E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #355FC1

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →